After four years with Covid-19, the US is settling into a new approach to respiratory virus season | CNN With the arrival of spring, the United States is easing out of respiratory virus season, a familiar pattern that has been challenged by Covid-19 for the past four years. Deidre McPhillips CNN

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Experts say that focused planning and forecasting efforts helped avoid some of the worst-case scenarios. But there was still a significant number of severe outcomes, and there are still key areas of improvement – especially around vaccination.

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Young and old: how the Covid pandemic has affected every UK generation From children behind on milestones to less active older people, broader effects are being felt four years after the initial outbreak The Guardian

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COVID-induced lung infection linked to heart damage Severe acute respiratory distress syndrome (ARDS) related to COVID-19 infections can damage the heart even when the virus itself doesn’t affect heart tissue. The findings come from a study today in Circulation. CIDRAP

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The study suggests that ARDS triggers widespread inflammation in the body, which leads to secondary cardiovascular complications.

4 years later, experts are just beginning to 'scratch the surface' of understanding long COVID Four years after the WHO declared the COVID-19 outbreak to be a pandemic, researchers say much is still not understood about a common complication: long COVID. ABC News ABC News

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Since the early days of the pandemic, scientists have learned a great deal about what puts someone at risk for long COVID, but researchers say we are still "scratching the surface" when it comes to our understanding of what causes the condition or how to treat it.

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In a pandemic milestone, the NIH ends guidance on COVID treatment The National Institutes of Health is sunsetting its influential COVID-19 treatment guidelines, used by millions of doctors to guide care during the pandemic. NPR

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The last version of the NIH's COVID-19 Treatment Guidelines was issued in February. The archives of the guidance — available online until August — document how scientific understanding and technological progress evolved during the pandemic.

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'Critical' to catch up on measles vaccinations to stem outbreaks, says WHO Vaccinating children who missed their measles shots during the COVID-19 pandemic is critical, a senior World Health Organization official said on Tuesday, as outbreaks of the infectious disease increase worldwide. Jennifer Rigby Reuters

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The world’s 100 worst polluted cities are in Asia — and 83 of them are in just one country | CNN All but one of the 100 cities with the world’s worst air pollution last year were in Asia, according to a new report, with the climate crisis playing a pivotal role in bad air quality that is risking the health of billions of people worldwide. Helen Regan CNN

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Clinical outcomes worse for young, immunocompromised COVID patients In a national case series, 11.4% of immunocompromised patients younger than 21 years with COVID-19 admitted for intensive care died, compared to 4.6% of their peers with healthy immune systems. CIDRAP

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In addition to almost triple the rate of in-hospital mortality, patients with ICCs had longer hospital stays.

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Health workers fear it's profits before protection as CDC revisits airborne transmission As the CDC revisits its airborne transmission guidelines, health care workers fear the agency is repeating past mistakes about mask guidance to prevent the spread of viruses. Yahoo News

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CDC urges vaccination amid rise in measles cases in the US and globally | CNN US government health officials are warning doctors about the dramatic rise in measles cases around the world, and advising families traveling to a measles-affected country to get babies as young as 6 months vaccinated before they go. Brenda Goodman CNN

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